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Finding the Fourth Proportional to 324,648.09, 448,058.86 and 186,824.18

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Solution

The fourth proportional to 324,648.09, 448,058.86 and 186,824.18 is: 257,842.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,648.09 : 448,058.86 = 186,824.18 : x
  2. Step 2: Convert to fraction form
    324,648.09/448,058.86 = 186,824.18/x
  3. Step 3: Cross multiply
    324,648.09x = 448,058.86 × 186,824.18
  4. Step 4: Simplify right side
    324,648.09x = 83,708,229,111.23
  5. Step 5: Solve for x
    x = 83,708,229,111.23/324,648.09
  6. Step 6: Final answer
    x = 257,842.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.